RO Water Purifier Price in Kenya 2026: Home vs Commercial RO Systems

RO water purifier prices in Kenya on Buy More Mall range from KSh 17,000 for a home under-sink system to KSh 500,000 for a 750 litres-per-hour commercial RO plant. This guide compares every domestic and commercial reverse osmosis (RO) and ultra filtration (UF) purifier sold by Herritech Ventures Ltd on Buy More Mall, so you can choose the right one for your home, school, hospital or business.

What Is an RO Water Purifier?

Reverse osmosis pushes water through a very fine membrane that removes most dissolved contaminants. The domestic RO under-counter systems on Buy More Mall are listed as removing up to 99.8% of harmful contaminants such as bacteria, viruses, lead, radium, chlorine and arsenic.

Domestic Water Purifier Prices (Home and Office)

Browse all home systems in Domestic RO Systems.

Home and office water purifiers.

UF or RO: which one for your home?

• The UF Under Counter System (KSh 17,000) uses ultra filtration to reduce sediment, chlorine, heavy metals, bacteria and viruses. It comes with a long-reach chrome faucet and installation fittings.
• The RO Under Counter System (KSh 30,000) adds a 50 GPD RO membrane (which can be replaced with a 75 GPD membrane) and a 3-gallon (11.3 litre) storage tank.
• Choose the version with a booster pump (KSh 35,000) if your water pressure is low.
• The RO-400G-D02B (KSh 98,000) supplies up to 400 gallons per day and has an 11-gallon steel pressure tank, a diaphragm booster pump, auto flush and cartridge-change reminders.

Commercial RO Plant Prices (Schools, Hospitals, Industry)

Browse all of them in Commercial RO Systems.

Commercial RO plants for schools, hospitals and industry.

• The H-Tech 250 LPH RO Purifier uses a single industry-standard 4040 RO membrane with a duty cycle of 2,000 litres per day. It is popular in schools, hospitals, industries and corporate offices.
• The H-Tech 500 LPH RO Water Purifier is listed with 65% designed recovery, a rejection rate of 97% or more, 220V 50Hz power and indoor installation (5°C to 45°C).
• The H-Tech 750 LPH RO Plant includes a raw water booster pump, sand filter and activated carbon filter in FRP tanks with automatic Runxin valves, a cartridge security filter and a stainless-steel frame.

How to Choose the Right Water Purifier

1. Home or office drinking water: an under-counter UF or RO system (KSh 17,000 to KSh 35,000).
2. Larger households, offices and small institutions: 20 to 80 L/hr domestic purifiers or the 400G/day RO system.
3. Schools, hospitals and industry: 250 to 750 L/hr commercial RO plants.
4. Selling purified water: choose an RO vending machine instead. See the Water Vending Machine Price Guide.

Hard water that scales pipes and boilers may need a softener as well. See the H-Tech Water Softeners. For spare membranes and housings, browse RO Membranes & Housings. You can also read about advanced water treatment machines by Herritech.

How Does an RO Water Purifier Work?

Water passes through a sediment filter (sand, rust), then carbon (chlorine, taste and odour), then the reverse osmosis membrane, which removes most dissolved salts, fluoride and other impurities. Many units add a post-carbon or mineral stage for taste. The membrane sends some water to drain (reject water) to keep itself clean.

How Long Do Water Purifier Filters Last?

Dirty water and heavy use shorten these times. Replacement membranes and housings are in RO Membrane and Housing Prices.

Can a Water Purifier Purify Salt Water or Hard Water?

An RO purifier removes most dissolved salt, which makes it the right choice for salty borehole water. Very hard water can scale the membrane quickly, so a water softener before the RO protects it. Seawater needs special high-pressure desalination equipment, not a normal purifier. See RO vs UF vs Water Softener.

Frequently Asked Questions

How much is an RO water purifier in Kenya?

On Buy More Mall, domestic RO purifiers cost KSh 30,000 to KSh 100,000, and commercial RO plants cost KSh 180,000 to KSh 500,000.

What is the cheapest water purifier for home use?

The UF Under Counter System (5 Stage) at KSh 17,000.

How much is a 250 LPH RO machine in Kenya?

A 250 litres-per-hour purifier costs KSh 180,000, and the 250 LPH RO plants with a 4040 membrane cost KSh 290,000.

Do I need a booster pump?

If your water pressure is low, choose the RO under-counter system with booster pump (KSh 35,000).

How does an RO water purifier work?

Water passes through sediment and carbon filters and then an RO membrane that removes most dissolved salts and impurities.

How long does a water purifier filter last?

Pre-filters usually last 3–6 months at home; the RO membrane usually lasts 1–3 years, depending on the water.

Can a water purifier purify salt water?

An RO purifier removes most salt from salty borehole water; seawater needs special desalination equipment.

How much is a water purifier machine in Kenya?

Water purifiers on Buy More Mall start from KSh 17,000 for home units.

Buy Your Water Purifier on Buy More Mall

All purifiers above are sold by Herritech Ventures Ltd (H-TECH) on Buy More Mall Kenya. Open any product page to see full specifications and order online.

Prices shown are regular prices on Buy More Mall. Many products are currently on offer, so open the product page to see today's price.

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